[go: up one dir, main page]

WO1997023306A1 - Procede de production de revetements multicouches - Google Patents

Procede de production de revetements multicouches Download PDF

Info

Publication number
WO1997023306A1
WO1997023306A1 PCT/EP1996/005692 EP9605692W WO9723306A1 WO 1997023306 A1 WO1997023306 A1 WO 1997023306A1 EP 9605692 W EP9605692 W EP 9605692W WO 9723306 A1 WO9723306 A1 WO 9723306A1
Authority
WO
WIPO (PCT)
Prior art keywords
weight
meth
acrylate
coating composition
alkyl
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/EP1996/005692
Other languages
German (de)
English (en)
Inventor
Götz-Ekkehard SAPPER
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BASF Coatings GmbH
BASF Farben und Fasern AG
Original Assignee
BASF Coatings GmbH
BASF Lacke und Farben AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BASF Coatings GmbH, BASF Lacke und Farben AG filed Critical BASF Coatings GmbH
Priority to KR1019980704752A priority Critical patent/KR19990076643A/ko
Priority to DE59609037T priority patent/DE59609037D1/de
Priority to EP96944001A priority patent/EP0902731B1/fr
Priority to BR9612224-2A priority patent/BR9612224A/pt
Priority to JP52329797A priority patent/JP4141497B2/ja
Priority to US09/091,633 priority patent/US6129989A/en
Priority to AU13745/97A priority patent/AU706492B2/en
Priority to AT96944001T priority patent/ATE215405T1/de
Publication of WO1997023306A1 publication Critical patent/WO1997023306A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/50—Multilayers
    • B05D7/52—Two layers
    • B05D7/53—Base coat plus clear coat type
    • B05D7/532—Base coat plus clear coat type the two layers being cured or baked together, i.e. wet on wet
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D1/00—Processes for applying liquids or other fluent materials
    • B05D1/36—Successively applying liquids or other fluent materials, e.g. without intermediate treatment
    • B05D1/38—Successively applying liquids or other fluent materials, e.g. without intermediate treatment with intermediate treatment
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D125/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Coating compositions based on derivatives of such polymers
    • C09D125/02—Homopolymers or copolymers of hydrocarbons
    • C09D125/04—Homopolymers or copolymers of styrene
    • C09D125/08—Copolymers of styrene
    • C09D125/14—Copolymers of styrene with unsaturated esters
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
    • C09D133/04—Homopolymers or copolymers of esters
    • C09D133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
    • C09D133/062—Copolymers with monomers not covered by C09D133/06
    • C09D133/064—Copolymers with monomers not covered by C09D133/06 containing anhydride, COOH or COOM groups, with M being metal or onium-cation
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
    • C08L33/04—Homopolymers or copolymers of esters
    • C08L33/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, which oxygen atoms are present only as part of the carboxyl radical
    • C08L33/062—Copolymers with monomers not covered by C08L33/06
    • C08L33/064—Copolymers with monomers not covered by C08L33/06 containing anhydride, COOH or COOM groups, with M being metal or onium-cation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31511—Of epoxy ether
    • Y10T428/31515—As intermediate layer
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31786—Of polyester [e.g., alkyd, etc.]
    • Y10T428/31797—Next to addition polymer from unsaturated monomers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31855—Of addition polymer from unsaturated monomers

Definitions

  • the present invention relates to a method for producing multilayer coatings on a substrate surface in which
  • an aqueous coating composition is applied as a base coating to a substrate surface coated with a conventional filler and contains an aqueous polymer dispersion as film-forming agent,
  • the substrate is generally first coated with an electrocoat material and / or intermediate stone chip primer or a filler layer and then using a paint containing at least one pigment Basecoat layer applied and this basecoat is optionally overcoated with a transparent lacquer.
  • the single- or multi-layer coating thus obtained is then baked.
  • the basecoats used to produce the basecoat film are usually water-based or solvent-based systems.
  • main binders they generally contain polyurethane dispersions or acrylate dispersions, combined with water-miscible crosslinkable polyesters and water-miscible melamine resins, which cause a number of problems, such as e.g. low storage stability, tendency to yellowing and unstable viscosity.
  • the polyurethane dispersions are used in the manufacture of metallic coatings, e.g. using aluminum bronze, lead to difficulties. A repair of these coatings leads to optically unacceptable results.
  • the present invention has for its object to provide a method for producing multilayer coatings and a method for repairing multilayer coatings on a substrate surface, in which an aqueous base coating composition is used which has the aforementioned disadvantages does not have and is suitable as a base coat for both solid and metal or mica effect paints.
  • This coating agent should also be compatible with customary clearcoats, such as, for example, aqueous or solvent-containing clearcoats or powder clearcoats, and these clearcoats should be able to be applied to the basecoat without the appearance of the paint system being impaired.
  • the present invention accordingly relates to a method for producing a multilayer coating on a substrate surface, in which
  • the base layer is baked together with the cover layer, characterized in that the base coating composition contains an aqueous polymer dispersion containing
  • Another object of the present invention is a method for repairing multi-layer coatings, wherein
  • step (E) the coating obtained in step (D) is coated with a suitable transparent top coating composition
  • the base layer is baked together with the cover layer, characterized in that the base coating composition contains an aqueous polymer dispersion which
  • any transparent lacquers can be applied to the base coating, for example aqueous or solvent-based or also powder lacquers, which is not possible in the processes known from the prior art. Coatings which contain the base layer used according to the invention can be repaired easily in the event of damage.
  • the acrylate polymer of component (i) used according to the invention can contain the linear and branched chain derivatives as d-C ⁇ -alkyl (meth) acrylic monomer units, methyl (meth) acrylate, ethyl (meth) acrylate, n-propyl and iso-propyl (meth) acrylate, n-butyl and iso-butyl (meth) acrylic! at and 2-ethylhexyl (meth) acrylate are preferred.
  • (Meth) acrylamide monomers and their derivatives can also be present as further monomers.
  • vinyl aromatic monomers which are present as monomer units in the acrylate polymer of component (i), e.g. Styrene, ⁇ -alkyl styrene and vinyl toluene can be called.
  • the acrylate polymer can be prepared by processes known from the prior art, for example emulsion polymerization.
  • the acrylate polymer is preferably used in the form of a dispersion.
  • the quantitative ratio between the monomers and the water is preferably adjusted so that the resulting dispersion has a solids content of 30 to 60% by weight, preferably 35 to 60% by weight, and is used directly for the preparation of the base coating composition can be.
  • a particularly suitable acrylate polymer is commercially available as an aqueous dispersion under the name Acronal 290 D (BASF AG; Ludwigshafen).
  • an anionic emulsifier is preferably used alone or as a mixture with others as the emulsifier.
  • anionic emulsifiers are the alkali metal salts of sulfuric acid half-esters of alkylphenols or alcohols, furthermore the sulfuric acid half-esters of oxethylated alkylphenols or oxethylated alcohols, preferably the alkali metal salts of the sulfuric acid half-ester of a nonylphenol reacted with 4 to 5 moles of ethylene oxide per mole, alkyl or Aryl sulfonate, sodium lauryl sulfate, sodium lauryl ethoxylate sulfate and secondary sodium alkane suffonates, the carbon chain of which contains 8-20 carbon atoms.
  • the amount of the anionic emulsifier is 0.1 to 5.0% by weight, based on the monomers, preferably 0.5 to 3.0% by weight.
  • a nonionic emulsifier of the ethoxylated alkylphenol or fatty alcohol type for example an addition product of 1 mol of nonylphenol and 4 to 30 mol of ethylene oxide, can be used in a mixture with the anionic emulsifier.
  • the glass transition temperature of the acrylate polymer is preferably between 15 ° C and 35 C C, more preferably between 20 ° C and 25 ° C.
  • the acrylate polymer used according to the invention preferably has a number-average molecular weight (determination: gel permeation chromatography using polystyrene as the standard) from 200,000 to 2,000,000, preferably from 300,000 to 1,500,000.
  • acrylate copolymers with non-associative groups which act as monomer units, are used as thickener component (ii) in the base coating composition and contain (meth) acrylic acid.
  • a preferred copolymer contains (meth) acrylic acid and at least two different (-CC 6 ) -alkyl (meth) acrylate monomers as monomer units. The is in the copolymer
  • (Meth) acrylic acid preferably in amounts from 40% by weight to 60% by weight, particularly preferably from 46% by weight to 55% by weight, based on the amount of the entire copolymer.
  • (-C-C 6 ) alkyl (meth) acrylate monomer I is preferably in amounts of 30 wt .-% to 50
  • Rheological aids should give the base coating composition the desired viscosity, in particular at the pH, which is generally alkaline.
  • a particularly preferred thickener when it is in the form of a dispersion, is thin and thickens at a neutral or basic pH.
  • the acrylate copolyer is suitably used as a finished dispersion. Contain such emulsifiers
  • Dispersions preferably fatty alcohol alkoxylates, especially C 8 -C 22 -
  • Fatty alcohol ethoxylates Fatty alcohol ethoxylates.
  • a particularly suitable acrylate copolymer dispersion is in
  • the thickener is preferably contained in the base coating composition used according to the invention in an amount of 0.5 to 5.0% by weight, in particular approximately 0.3 to 1.5% by weight, based on the solids content.
  • the thickener is usually used as a dispersion with a concentration of 5 to 45% by weight, preferably 7 to 35% by weight.
  • the base coating composition can also contain further thickeners or rheological agents, such as ionic layered silicates, xanthan gum, diurea compounds, polyurethane thickeners, bentonite, waxes and wax copolymers.
  • further thickeners or rheological agents such as ionic layered silicates, xanthan gum, diurea compounds, polyurethane thickeners, bentonite, waxes and wax copolymers.
  • the coating agent according to the invention may also contain epoxy-functional and / or carboxyl-functional constituents, such as conventional glycidyl compounds, such as e.g. Glycidyl acrylate or glycidyl methacrylate.
  • Suitable carboxyl-functional crosslinking agents are, for example, carboxylic acids, in particular saturated, straight-chain, aliphatic dicarboxylic acids having 3 to 20 carbon atoms in the molecule, dodecane-1,12-diacid being preferably used.
  • Polyvinyl alcohol can also be used as a further auxiliary binder. It has been found that the addition of polyvinyl alcohol in an amount of up to 10% by weight, preferably from 1 to 5% by weight, can improve the compatibility with the top coating compositions applied to the base coating composition. Polyvinyl alcohol has a solvent-repellent effect, so that any solvent or other components which may be present in the top coating composition cannot penetrate into the base coating composition and change color due to the repellent effect of the polyvinyl alcohol.
  • crosslinkers known in the paint field such as melamine resins, which can react with free OH groups, can be used as further crosslinkers.
  • the base coating compositions can also contain other compatible water-thinnable resins, such as, for example, aminoplast resins, polyesters, polyurethanes and acrylated polyurethanes and urethanized acrylates, which serve as additives for achieving certain coating properties, such as improving adhesion or in general as rubbing resins for pigments.
  • the auxiliary binder and / or the crosslinking agent can be used in an amount of up to 10% by weight, in particular from 0.5 to 10% by weight.
  • the base coating compositions used according to the invention generally have a solids content of about 15 to 60% by weight.
  • the solids content varies with the intended use of the coating compositions.
  • metallic paints for example, it is preferably 12 to 25% by weight.
  • plain-colored paints it is higher, for example 14 to 45% by weight.
  • Ammonia and / or amines in particular alkylamines
  • amino alcohols and cyclic amines such as di- and triethylamine, aminomethyipropanol, dimethylaminoethanolamine, diisopropanolamine, morpholine, N-alkylmorpholine
  • aqueous coating agent is usually adjusted to a pH between 6 and 9, preferably 7 to 8.5.
  • the basecoat composition may contain organic solvents in an amount up to 15% by weight.
  • suitable organic solvents are naphthalenes, benzines and alcohols.
  • the base lacquers according to the invention may contain alkylene glycols, such as ethylene glycol, propylene glycol, butylene glycol, 1,4-butanediol, 1,6-hexanediol, neopentyl glycol and other diols, such as dimethyloicyclohexane, as further liquid components.
  • the base coating composition can contain, as pigments, customary pigments used for painting automobile bodies, such as e.g. Effect pigments as well as organic and inorganic color pigments.
  • suitable effect pigments are commercially available aluminum bronzes, the aluminum bronzes chromated according to DE-OS 36 36 183, commercially available stainless steel bronzes as well as other conventional metal flakes and metal flake pigments and non-metallic effect pigments, such as e.g. Pearlescent or interference pigments.
  • coloring pigments on an inorganic basis are titanium dioxide, iron oxides, carbon black and others.
  • coloring pigments on an organic basis are indane blue, cromophthal red, irgazin orange, sicotrans yellow, heliogen green and others.
  • Corrosion protection pigments such as zinc phosphate, may also be present.
  • the base coating composition can also contain fillers customary in the field of paint chemistry. These include silica, magnesium silicate, talc, titanium dioxide and barium suifate.
  • the proportion of pigments and fillers in the coating composition according to the invention can total 3 to 25% by weight, based on the solids content.
  • the pigment can be added in any manner, e.g. as an aqueous slurry or as a paste.
  • the pigments can be rubbed, for example, with a grinding resin, such as an auxiliary binder, dispersing aid or water.
  • a grinding resin such as an auxiliary binder, dispersing aid or water.
  • component (i) can vary depending on the pigment used. If the pigments are organic and / or inorganic color pigments, component A is preferably present in an amount of 25 to 50% by weight, based on the solids content. If the pigments are effect pigments, component A is preferably present in an amount of 15 to 30% by weight, based on the solids content.
  • the base coating composition may contain film-forming aids as a further component.
  • film-forming aids are dicarboxylic acid dialkyl esters, 1,2-propylene glycol, high-boiling gasolines and naphthalenes, which have a boiling point above 100 ° C., preferably above 140 ° C.
  • the base coating composition can optionally contain further auxiliaries and additives.
  • auxiliaries and additives include catalysts, auxiliary substances, defoamers, dispersion aids, wetting agents, preferably carboxy-functional dispersants, antioxidants, UV absorbers, radical scavengers, leveling agents, biocides and / or water retention agents.
  • the base coating composition is applied to a substrate surface coated with a conventional filler. Any filler known from the prior art can be used as a filler. After the filler application, the base coating composition described above is applied to the substrate in a manner known per se, for example by spraying, brushing, dipping, flooding, knife coating or rolling, such as metal, plastic, wood or glass.
  • the base coating composition can optionally be mixed with water to adjust the solids content, solvents or rheology aids to adjust the application properties and, if appropriate, a base for pH regulation before application to the filler layer. If the viscosity is not yet in the desired range, rheological aid (ii) or further thickener, if appropriate in an amount of 0.001 to 0.006% by weight, based on the solids content, can be added.
  • the base layer applied to the substrate in stage (A) is overpainted according to the invention in stage (B) with a suitable transparent top coating.
  • the coating agent is advantageously allowed to evaporate briefly, preferably 1 to 15 minutes, in particular 4 to 8 minutes, at a temperature of 60 to 100 ° C., preferably 70 to 85 ° C. The period of evaporation depends on the temperature and can be set over a wide range.
  • Particularly stable multilayer coatings can be obtained if the substrate obtained in stage (A) is dried before the top coating is applied, so that there is sufficient filming or crosslinking, so that water and / or solvent, which may be present in the contained in step (B) applied topcoat composition cannot diffuse into the base layer.
  • top coatings can be applied as a transparent top coating.
  • the clearcoats used in the field of paint chemistry such as e.g. Clear lacquers based on water or solvents, powder clear lacquers, powder slurry clear lacquers, solvent-based and aqueous two-component clear lacquers, etc. are used.
  • the transparent top coating can be applied by customary methods known in the art.
  • the present invention accordingly also relates to a multi-layer coated substrate, the coating being applied to the substrate surface by: (A) an aqueous coating composition, which contains an aqueous polymer dispersion as film-forming agent, is applied to a substrate surface coated with a conventional filler as the base coating composition,
  • the base layer is baked together with the cover layer, characterized in that the base coating composition contains an aqueous polymer dispersion containing
  • the base coating composition When repairing multi-layer lacquers, it is possible to apply the base coating composition to the substrate surface to be repaired without special aids.
  • the coating composition can be cured at ambient temperature. When curing at ambient temperature, the above-mentioned baking time is extended accordingly, it is approximately between 15 and 24 hours. A special aid or a special device for curing this coating composition is therefore not necessary.
  • the pH of the mixture obtained was adjusted to 8.0 with dimethyiethanolamine (DMEA).
  • the viscosity of the paint obtained was adjusted to 110 mPas using 25 parts by weight of water.
  • the solids content was 18.85%.
  • the pH of the mixture obtained was adjusted to 8.0 with 0.4 part by weight of dimethyiethanolamine (DMEA).
  • DMEA dimethyiethanolamine
  • the mixture obtained in B was stirred into the dispersion obtained in D with vigorous stirring.
  • the aluminum slurry obtained in C was then added portionwise to the resulting mixture.
  • the viscosity of the paint obtained was adjusted to 110 mPas using 25 parts by weight of water.
  • the solids content was 18.35%.
  • a paint preparation was prepared by the procedure described in Example 2, with the exception that 10 parts by weight of glycidyl methacrylate / dodecanedioic acid were dispersed in 20 parts by weight of water in step D.
  • the solids content was 20.35%.
  • the pH of the mixture obtained was adjusted to 8.0 with 0.4 part by weight of dimethyiethanolamine (DMEA).
  • DMEA dimethyiethanolamine
  • the mixture obtained in B was stirred into the dispersion obtained in D with vigorous stirring.
  • the aluminum slurry obtained in C was then added portionwise to the resulting mixture.
  • the solids content of the paint was 26.83%.
  • Lusolvan FBH * commercial product from BASF AG, Ludwigshafen
  • the pH of the mixture obtained was adjusted to 8.0 with dimethyiethanolamine (DMEA).
  • the viscosity of the lacquer obtained was adjusted to 110 mPas using 5 parts by weight of water.
  • Example 6 A. 22 parts by weight of water, 2 parts by weight of Lusolvan FBH * (commercial product from BASF AG, Ludwigshafen) and 1 part by weight of butylglycol were placed in a reaction vessel. 25 parts by weight of Acronal 290 D (aqueous dispersion, solids content 50.0%) were added with stirring.
  • Lusolvan FBH * commercial product from BASF AG, Ludwigshafen
  • Acronal 290 D aqueous dispersion, solids content 50.0%
  • the pH of the mixture obtained was adjusted to 8.0 with dimethyiethanolamine (DMEA).
  • the mixture obtained in B was stirred into the dispersion obtained in D with vigorous stirring.
  • the pigment paste obtained in C was then added in portions to the mixture obtained.
  • the solids content was 28.06%.
  • Example 6 The procedure described in Example 6 was repeated, except that 20 parts by weight of the acrylate dispersion were used in step A and 10 parts by weight of glycidymethacrylate / dodecanedioic acid were used in step D.
  • FBH ® commercial product from BASF AG, Ludwigshafen
  • Acronal 290 D aqueous dispersion, solids content 50.0%
  • acrylate dispersion were added with stirring.
  • the pH of the mixture obtained was adjusted to 8.0 with dimethyiethanolamine (DMEA).
  • the mixture obtained in B was stirred into the dispersion obtained in D with vigorous stirring.
  • the pigment preparation prepared in step B was then stirred in.
  • the solids content was 29.04%.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Paints Or Removers (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Laminated Bodies (AREA)
  • Paper (AREA)

Abstract

L'invention a pour objet un procédé de production d'un revêtement multicouche sur la surface d'un substrat, selon lequel (A) on applique, sur une surface de substrat enduite d'une charge conventionnelle, en tant que composition de revêtement de base, une composition de revêtement aqueuse renfermant, comme agent filmogène, une dispersion polymère aqueuse, (B) on applique sur la couche de base ainsi obtenue, une composition formant une couche de recouvrement transparente appropriée, et (C) on effectue la cuisson de la couche de base conjointement avec la couche de recouvrement. Ledit procédé est caractérisé en ce que la composition de revêtement de base renferme une dispersion polymère aqueuse contenant (i) un polymère acrylate à base de 30 à 60 % en poids de monomères d'alkyl(C1-C8)(méth)acrylate, 30 à 60 % en poids de monomères vinylaromatiques et 0,5 à 10 % en poids d'acide (méth)acrylique, et (ii) un épaississant à effet non associatif, renfermant un copolymère acrylate à base d'alkyl(C1-C6)(méth)acrylate et d'acide (méth)acrylique.
PCT/EP1996/005692 1995-12-21 1996-12-18 Procede de production de revetements multicouches Ceased WO1997023306A1 (fr)

Priority Applications (8)

Application Number Priority Date Filing Date Title
KR1019980704752A KR19990076643A (ko) 1995-12-21 1996-12-18 다층 코팅 형성 방법
DE59609037T DE59609037D1 (de) 1995-12-21 1996-12-18 Verfahren zur herstellung von mehrschichtigen überzügen
EP96944001A EP0902731B1 (fr) 1995-12-21 1996-12-18 Procede de production de revetements multicouches
BR9612224-2A BR9612224A (pt) 1995-12-21 1996-12-18 Processo para a preparação de revestimentos multicamadas.
JP52329797A JP4141497B2 (ja) 1995-12-21 1996-12-18 多層被覆の製造方法
US09/091,633 US6129989A (en) 1995-12-21 1996-12-18 Process for the production of multilayered coatings
AU13745/97A AU706492B2 (en) 1995-12-21 1996-12-18 Process for producing multilayered coatings
AT96944001T ATE215405T1 (de) 1995-12-21 1996-12-18 Verfahren zur herstellung von mehrschichtigen überzügen

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19547944.0 1995-12-21
DE19547944 1995-12-21

Publications (1)

Publication Number Publication Date
WO1997023306A1 true WO1997023306A1 (fr) 1997-07-03

Family

ID=7780887

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP1996/005692 Ceased WO1997023306A1 (fr) 1995-12-21 1996-12-18 Procede de production de revetements multicouches

Country Status (14)

Country Link
US (1) US6129989A (fr)
EP (1) EP0902731B1 (fr)
JP (1) JP4141497B2 (fr)
KR (1) KR19990076643A (fr)
CN (1) CN1207692A (fr)
AR (1) AR005261A1 (fr)
AT (1) ATE215405T1 (fr)
AU (1) AU706492B2 (fr)
BR (1) BR9612224A (fr)
CA (1) CA2241133A1 (fr)
DE (2) DE19652842A1 (fr)
ES (1) ES2175174T3 (fr)
TW (1) TW416976B (fr)
WO (1) WO1997023306A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6355303B1 (en) * 2000-04-28 2002-03-12 E. I. Du Pont De Nemours And Company Process for the preparation of multi-layer coatings of the water-borne base coat/powder clear coat type
WO2001062401A3 (fr) * 2000-02-25 2002-03-14 Basf Coatings Ag Procede de realisation sur des carrosseries d'automobile de recouvrements de peinture multicouches colores et/ou a effet

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19736535C1 (de) * 1997-08-22 1999-01-28 Basf Coatings Ag Basislackzusammensetzung sowie Verfahren zur Herstellung von mehrschichtigen Überzügen
DE19741554B4 (de) * 1997-09-20 2005-04-14 Basf Coatings Ag Härtbare Beschichtungszusammensetzung sowie Verfahren zur Herstellung eines schützenden Überzugs
DE19841842C2 (de) * 1998-09-12 2000-07-06 Basf Coatings Ag Strukturviskose, von organischen Lösemitteln und externen Emulgatoren freie Pulverklarlack-Slurry, Verfahren zu ihrer Herstellung und ihre Verwendung
DE19930066A1 (de) * 1999-06-30 2001-01-11 Basf Coatings Ag Farb- und/oder effektgebende Mehrschichtlackierung, Verfahren zu ihrer Herstellung und ihre Verwendung
DE10001442A1 (de) * 2000-01-15 2001-10-18 Basf Coatings Ag Strukturviskose, von organischen Lösemitteln freie Pulverklarlack-Slurry, Verfahren zu ihrer Herstellung und ihre Verwendung
DE10040223C2 (de) * 2000-08-17 2002-12-05 Basf Coatings Ag Strukturviskose, von organischen Lösemitteln und externen Emulgatoren freie Pulverklarlack-Slurry, Verfahren zu ihrer Herstellung und ihre Verwendung
DE10043405C1 (de) * 2000-09-04 2002-06-27 Basf Coatings Ag Verfahren zur Herstellung farb- und/oder effektgebender Lackierungen
DE10055464B4 (de) 2000-11-09 2006-06-14 Basf Coatings Ag Strukturviskose, von organischen Lösemitteln und externen Emulgatoren freie Pulverklarlack-Slurry und ihre Verwendung
DE10055549A1 (de) * 2000-11-09 2002-05-29 Basf Coatings Ag Farb- und/oder effektgebende Mehrschichtlackierung, Verfahren zu ihrer Herstellung und ihre Verwendung
DE10240972A1 (de) * 2002-09-02 2004-03-18 Basf Coatings Ag Metallpigmente enthaltende, wässrige Pigmentpasten und ihre Verwendung zur Herstellung von effektgebenden wässrigen Beschichtungsstoffen
DE10322182A1 (de) * 2003-05-16 2004-12-02 Blue Membranes Gmbh Verfahren zur Herstellung von porösem, kohlenstoffbasiertem Material
EP1762601A1 (fr) * 2005-09-12 2007-03-14 Basf Aktiengesellschaft Procédé pour augmenter la résistance aux tâches et à la pénétration de compositions de revêtements aqeuses
CN101191029B (zh) * 2006-12-01 2011-05-18 比亚迪股份有限公司 用于金属基材的底层涂料组合物及其制备方法和多层涂层
CN101240136B (zh) * 2007-02-06 2010-09-22 阙武夫 一种水性保护膜的制作方法
JP4829837B2 (ja) * 2007-04-27 2011-12-07 関西ペイント株式会社 複層塗膜形成方法
US8153733B2 (en) 2008-12-29 2012-04-10 Basf Coatings Gmbh Electrocoat compositions with amine ligand
EP2384358B1 (fr) 2008-12-29 2017-05-24 BASF Coatings GmbH Composition d'électrorevêtement et procédé remplaçant un prétraitement au phosphate
US20100163423A1 (en) 2008-12-29 2010-07-01 Basf Corporation Electrocoat composition and process replacing phosphate pretreatment
CN102333812A (zh) * 2009-03-03 2012-01-25 三井-杜邦聚合化学株式会社 水性分散液及其制备方法以及层合体
WO2012115691A1 (fr) 2011-02-22 2012-08-30 Basf Coatings Gmbh Électrorevêtement à faible brillance
EP2917293B1 (fr) 2012-11-09 2017-11-15 BASF Coatings GmbH Procédé pour améliorer le durcissement d'un revêtement pour un article revêtu dans une composition de revêtement par électrodéposition contaminée par du phosphate et composition de revêtement par électrodéposition
US10071398B2 (en) * 2014-10-03 2018-09-11 Axalta Coating Systems IP Co. LLC Multi-layer coated substrates and methods for forming multi-layer coatings on substrates
DE102015215414A1 (de) * 2015-08-12 2017-02-16 Wobben Properties Gmbh Beschichteter Betonkörper
US11286395B2 (en) * 2016-03-08 2022-03-29 Chroma Australia Pty Limited Washable paint composition
KR20210113378A (ko) 2019-01-23 2021-09-15 바스프 코팅스 게엠베하 개선된 효과 안료 정렬을 갖는 폴리카르복실산-함유 수성 코팅 작용제
EP4093826A1 (fr) 2020-01-21 2022-11-30 BASF Coatings GmbH Composition de revêtement aqueuse contenant de l'acide polycarboxylique présentant des propriétés de nivellement améliorées

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5157069A (en) * 1991-08-07 1992-10-20 Basf Corporation Nonionic waterborne basecoat using metallic pigments and clear topcoat

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3035004A (en) * 1955-03-25 1962-05-15 Rohm & Haas Aqueous polymer dispersions containing (c1-c8)-alkyl acrylate/methacrylic acid copolymer salt thickeners
GB8613408D0 (en) * 1986-06-03 1986-07-09 Crown Decorative Prod Ltd Thickeners
DE3942804A1 (de) * 1989-12-23 1991-06-27 Basf Lacke & Farben Verfahren zur herstellung eines mehrschichtigen ueberzuges
DE4009000A1 (de) * 1990-03-21 1991-09-26 Basf Lacke & Farben Verfahren zur herstellung einer mehrschichtigen reparaturlackierung
DE4009931A1 (de) * 1990-03-28 1991-10-02 Basf Lacke & Farben Verfahren zur herstellung eines mehrschichtigen ueberzugs, waessrige beschichtungszusammensetzungen, wasserverduennbare polyacrylatharze und verfahren zur herstellung von wasserverduennbaren polyacrylatharzen
DE4009857A1 (de) * 1990-03-28 1991-10-02 Basf Lacke & Farben Verfahren zur herstellung einer mehrschichtigen lackierung und fuer dieses verfahren geeignete waessrige basislacke
DE4009932A1 (de) * 1990-03-28 1991-10-02 Basf Lacke & Farben Verfahren zur herstellung eines mehrschichtigen ueberzuges, waessrige beschichtungszusammensetzungen, wasserverduennbare polyacrylatharze und verfahren zur herstellung von wasserverduennbaren polyacrylatharzen
JPH05140485A (ja) * 1991-11-20 1993-06-08 Toyota Motor Corp 水性メタリツクベース塗料組成物及びこれを用いた塗膜形成方法
US5385960A (en) * 1991-12-03 1995-01-31 Rohm And Haas Company Process for controlling adsorption of polymeric latex on titanium dioxide
US5478602A (en) * 1992-05-29 1995-12-26 Union Carbide Chemicals & Plastics Technology Corporation Polymers containing macromonomers and their use in a method of coating substrates
US5372638A (en) * 1992-11-27 1994-12-13 Basf Corporation Aluminum flake pigment treated with metal salts and coatings containing the same
AU659351B2 (en) * 1992-11-27 1995-05-11 Basf Corporation Copolymer dispersant composition for inorganic pigments
US5380447A (en) * 1993-07-12 1995-01-10 Rohm And Haas Company Process and fabric finishing compositions for preventing the deposition of dye in fabric finishing processes
DE4410609A1 (de) * 1994-03-26 1995-09-28 Herberts Gmbh Überzugsmittel für transparente Decklackschichten und deren Verwendung bei Verfahren zur Herstellung von Mehrschichtüberzügen
JPH0810690A (ja) * 1994-06-29 1996-01-16 Basf Lacke & Farben Ag 多層塗膜の形成方法、ベースコート組成物および塗装方法
FR2739625B1 (fr) * 1995-10-09 1997-12-05 Atochem Elf Sa Copolymeres hydrosolubles associatifs triblocs

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5157069A (en) * 1991-08-07 1992-10-20 Basf Corporation Nonionic waterborne basecoat using metallic pigments and clear topcoat

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001062401A3 (fr) * 2000-02-25 2002-03-14 Basf Coatings Ag Procede de realisation sur des carrosseries d'automobile de recouvrements de peinture multicouches colores et/ou a effet
US6355303B1 (en) * 2000-04-28 2002-03-12 E. I. Du Pont De Nemours And Company Process for the preparation of multi-layer coatings of the water-borne base coat/powder clear coat type

Also Published As

Publication number Publication date
KR19990076643A (ko) 1999-10-15
TW416976B (en) 2001-01-01
AR005261A1 (es) 1999-04-28
JP4141497B2 (ja) 2008-08-27
ES2175174T3 (es) 2002-11-16
AU706492B2 (en) 1999-06-17
DE19652842A1 (de) 1997-06-26
EP0902731B1 (fr) 2002-04-03
CA2241133A1 (fr) 1997-07-03
US6129989A (en) 2000-10-10
JP2000501993A (ja) 2000-02-22
AU1374597A (en) 1997-07-17
CN1207692A (zh) 1999-02-10
EP0902731A1 (fr) 1999-03-24
BR9612224A (pt) 1999-09-21
DE59609037D1 (de) 2002-05-08
ATE215405T1 (de) 2002-04-15

Similar Documents

Publication Publication Date Title
EP0902731B1 (fr) Procede de production de revetements multicouches
EP0195931B1 (fr) Revêtements diluables à l'eau pour fabrication de couches de fond, surlaquables mouillé sur mouillé d'un vernis
DE19613547C3 (de) Wäßrige Pulverklarlack-Dispersion
EP0036975B1 (fr) Procédé de fabrication de vernissages à effet métallique et objets plans présentant des vernissages multi-couches à effet métallique résistant aux intempéries
EP0391271B1 (fr) Composition de revêtement aqueuse et thermodurcissable à base de polyester et d'acrylate, son procédé de préparation et son utilisation
EP0871552B1 (fr) Procede d'obtention de revetements multicouches
DE69816788T2 (de) Metallack-zusammensetzung auf wasserbasis und verfahren zur herstellung eines überzugs
DE2557434A1 (de) Verfahren zum ueberziehen von substraten und danach erhaltene produkte
EP0480959A1 (fr) Procede de fabrication d'un vernis multicouche et vernis de base pour l'obtention de la couche de base d'un tel vernis multicouche.
DE3885176T2 (de) Grundfarben-Zusammensetzungen.
EP1005512B1 (fr) Mode de fabrication de revetements a couches multiples
EP1017749B1 (fr) Composition de revetement durcissable
EP1261524A2 (fr) Procede pour effectuer des mises en peinture multicouche sur des substrats electroconducteurs
EP0970155B1 (fr) Agent de revetement aqueux
DE69127728T2 (de) Wässerige Metallic-Grundierungszusammensetzung auf Basis von Acryl-Latex-Harzen unter Verwendung eines wasserverdünnbaren Harzes als Medium für das Aluminium und Hectorit-Ton zur Rheologie-Regelung
DE3783325T2 (de) Lackierverfahren.
DE69307182T2 (de) Verfahren zur Herstellung von knitterfreien Beschichtungen unter Verwendung eines lösungsmittelhaltigen Klarlackes auf einer wässrigen Basisschichtzusammensetzung
DE69612025T2 (de) Härtbare Beschichtungszusammensetzung und Verfahren zur Bildung einer Deckschicht
EP0511223B1 (fr) Matiere de revetement, procede pour sa fabrication ainsi que son utilisation
EP0455028A1 (fr) Utilisation de copolymères en émulsion dans des revêtements transparents aqueux et peinture transparente aqueuse
EP0641261B1 (fr) Procede pour l'obtention d'un vernissage en deux couches et vernis aqueux utilise pour ce procede
WO2001091926A1 (fr) Procede de realisation d'un revetement sur une bande avec des dispersions de peinture (peintures pulverulentes en suspension)
DE3832142A1 (de) Verfahren zur herstellung eines mehrschichtigen, schuetzenden und/oder dekorativen ueberzugs und wasserverduennbare beschichtungszusammensetzungen
DE3828051C3 (de) Verfahren zur Herstellung von lagerstabilen, wasserverdünnbaren Überzugsmitteln und Verwendung
DE3838179A1 (de) Wasserverduennbare lackbindemittel zur formulierung von basisschichten fuer mehrschichtlacke und verfahren zu ihrer herstellung

Legal Events

Date Code Title Description
WWE Wipo information: entry into national phase

Ref document number: 96199666.8

Country of ref document: CN

AK Designated states

Kind code of ref document: A1

Designated state(s): AU BR CA CN JP KR US

AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): AT BE CH DE DK ES FI FR GB GR IE IT LU MC NL PT SE

DFPE Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101)
121 Ep: the epo has been informed by wipo that ep was designated in this application
ENP Entry into the national phase

Ref document number: 2241133

Country of ref document: CA

Ref document number: 2241133

Country of ref document: CA

Kind code of ref document: A

WWE Wipo information: entry into national phase

Ref document number: 1019980704752

Country of ref document: KR

ENP Entry into the national phase

Ref document number: 1997 523297

Country of ref document: JP

Kind code of ref document: A

WWE Wipo information: entry into national phase

Ref document number: 1996944001

Country of ref document: EP

WWE Wipo information: entry into national phase

Ref document number: 09091633

Country of ref document: US

WWP Wipo information: published in national office

Ref document number: 1996944001

Country of ref document: EP

WWP Wipo information: published in national office

Ref document number: 1019980704752

Country of ref document: KR

WWG Wipo information: grant in national office

Ref document number: 1996944001

Country of ref document: EP

WWR Wipo information: refused in national office

Ref document number: 1019980704752

Country of ref document: KR